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25743700130625 = 3254676512
BaseRepresentation
bin1011101101001111011000…
…00110011111101101000001
310101011001222201120200022100
411312213230012133231001
511333241044213140000
6130430254221301013
75264630613421161
oct566475406375501
9111131881520270
1025743700130625
118225929650124
122a79375104769
13114980b335699
14650004a8c5a1
152e99bcdd6a00
hex1769ec19fb41

25743700130625 has 45 divisors (see below), whose sum is σ = 46467493524309. Its totient is φ = 13729770450000.

The previous prime is 25743700130611. The next prime is 25743700130633. The reversal of 25743700130625 is 52603100734752.

The square root of 25743700130625 is 5073825.

It is a perfect power (a square), and thus also a powerful number.

25743700130625 is a `hidden beast` number, since 2 + 5 + 7 + 4 + 3 + 7 + 0 + 0 + 13 + 0 + 625 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2018306090241 + 23725394040384 = 1420671^2 + 4870872^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 25743700130625 - 231 = 25741552646977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 380503050 + ... + 380570700.

Almost surely, 225743700130625 is an apocalyptic number.

25743700130625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25743700130625 is the 5073825-th square number.

25743700130625 is the 2536913-rd centered octagonal number.

It is an amenable number.

25743700130625 is a deficient number, since it is larger than the sum of its proper divisors (20723793393684).

25743700130625 is an frugal number, since it uses more digits than its factorization.

25743700130625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135328 (or 67659 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 25743700130625 in words is "twenty-five trillion, seven hundred forty-three billion, seven hundred million, one hundred thirty thousand, six hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 125 225 375 625 1125 1875 5625 67651 202953 338255 608859 1014765 1691275 3044295 5073825 8456375 15221475 25369125 42281875 76107375 126845625 380536875 4576657801 13729973403 22883289005 41189920209 68649867015 114416445025 205949601045 343249335075 572082225125 1029748005225 1716246675375 2860411125625 5148740026125 8581233376875 25743700130625